4389330 has 64 divisors (see below), whose sum is σ = 11778048. Its totient is φ = 1037760.

The previous prime is 4389313. The next prime is 4389367. The reversal of 4389330 is 339834.

It is a happy number.

4389330 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15369 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (184032).

Almost surely, 2^4389330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4389330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5889024).

4389330 is an abundant number, since it is smaller than the sum of its proper divisors (7388718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4389330 is a wasteful number, since it uses less digits than its factorization.

4389330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 4389330 is about 2095.0727910982. The cubic root of 4389330 is about 163.7316899675.

The spelling of 4389330 in words is "four million, three hundred eighty-nine thousand, three hundred thirty".